If you own a ping pong table, it's likely there's a bucket of ping pong balls lying in wait for a bash. Even if your racket sport days are behind you, you can get those balls in motion again with ...

Next time you’re in a Nerf gun battle, you better hope you’ve got this absurdly powerful ping pong ball gun. It shoots common celluloid spheres at over 400 meters per second, or Mach 1.2. This ...

[Jacob] has put a slightly new twist on the levitating ball trick with his ping-pong ball levitation machine. We’ve all seen magnetic levitation systems before. Here on Hackaday, [Caleb] built ...